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Professional Automotive Repair Technical Discussions for March 15, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Chevrolet K1500 Cheyenne 5.7L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1GTDK14K2K We have a intermittent no idle and stall with an added no start from time to time. We have check fuel pump pressure,map sensor idle air control and cleaned the plates, with no change. We changed the fuel filter when we checked the fuel pressure. If we unplu... Trouble codes: N0NE |
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| 1994 Chevrolet Caprice Classic 5.7L No Start VIN: 1G1BL82P8R this is the fun one...with the dist. behind the waterpump. when it came in, i had spark into the dist, but not out. customer ok'd a new(again) dist. cap, and asked for the dist. to be replaced again as we're already there. now with them installed, i have sp... |
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| 2001 Chevrolet Impala 3.4L Starting VIN: 2G1WF52E31 the car will not start and run unless slight pressure on gas pedal.tried mass air flow sensor ,tps and fuel pump after it is running you can take your foot off the pedal and it will idle |
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| 2004 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, MIL Lamp on VIN: 1GBHC24U24 just pulled heads and had plug holes fixed now at idle cylender number 2 and 6 are missing as soon as u come off ide missfire data goes to zero i swaped coils injectors plugs and wires eventthough they are new and there was no change [...] 02s from side to ... Trouble codes: P0300 |
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| 2007 Chevrolet Suburban 2500 LS 6.0L Cruise control VIN: 3GNGK26K27 this is an ex-cop car 4x4 3/4 ton suburban. I converted everything and it is a great vehicle but I can not get cruise control to work. The only code I get once every few days with no ses light is a 573 for brake switch. The test says to check for short to powe... |
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| 2007 Chevrolet Silverado 2500 HD LT 6.0L R/f speed sensor VIN: 1GCHK23K17 Gentlemen, This truck came in with the following abs codes c0550, c0040, and c0035. Since c0550 says internal ebcm fault, we replaced it first, then had module flashed. after driving, both front sensor codes came back. So we replace front sensors. Now I have n... |
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| 1996 GMC Jimmy 4.3L Misfire, MIL Lamp on VIN: 1GKCS13W6T We inherited this from another local shop... It seems to misfire mostly at idle raising the rpm to 2500 to 3000. Fuel pressure is within spec and doesnt drop off when the car is shut off. I haven't done an injector balance test yet. The misfire jumps to almost... Trouble codes: P0300 |
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| 1997 GMC K1500 Sierra SL 5.0L Misfire VIN: 1GTEK14M1V random missfire code.no miss realy felt when driving but computer still counts missfires.have replaced crank sensor,egr gasket,plugs,wires,cap,rotor,new distributer,intake manifold gaskets.set cam retard to o degrees at 2ooo rpms.vehicle seems to go down the r... Trouble codes: P0300 |
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| 1999 Saturn SL2 1.9L Poor Idle Quality This is a customer complaint. It would not do it for me. The customer stated sometimes the vehicle would start to raise the RPM while in park. It would usually raise to 1500-2000 but at times it would go to 3000 RPM's. They said it has been doing this for abou... |
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| 2005 Saturn Ion-1 2.2L odometer VIN: 1G8AF52F15 a new cluster is not available for this vehicle so we replaced the blown out cluster (accident related) with a used one. after programming with the tech 2 all areas of the cluster operate normally but the odometer does not calculate. it's stuck on the mileage ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick Park Avenue Ultra 3.8L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G4CU5211V This one is fixed. It turns out I had several problems all at once. It took 3 ignition modules to get a good one. The intermittent stall was a bad connection to the new fuel pump on the assembly itself. A new ignition module and a new fuel pump and all is ... Trouble codes: P0300 (Random cylinder misfire). |
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| 2006 Buick Lucerne CXL 3.8L temp motor VIN: 1G4HD572X6 This car is supposedly fixed? I'll explain. The car had been taken to another shop to have the alignment done after the slight accident. While there they started looking into the loss of heat on the passenger side. According to the car owner the problem was du... |
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| 1992 Chevrolet K2500 Suburban 7.4L valve lifter BLAZER IS FIX RR ALL LIFTERS WITH NEW SET RUNS FINE THANKS FOR ALL THE HELP GUYS .ESP MICHAED [...] . |
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| 1996 Chevrolet C1500 Silverado 5.7L power door locks VIN: 2GCEC19R7T Thank you all for your replies. Most of you were right about the aftermarket alarm. It did not have an alarm box on it as the wires were cut already & the rest of it was tucked up & hidden pretty good. Just a case of not doing a thorough inspection. I will cu... |
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| 1996 Chevrolet C1500 Silverado 5.7L Misfire VIN: 2GTEC19R7T It was the intake gasket just like the first five guys told me. Sorry this wasn't closed until now I thought I had already taken care of that. Thanks to everyone you saved me again. Chuck's Automotive Trouble codes: P0300 (Random misfire). |
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| 1997 GMC Yukon SLE 5.7L backfire VIN: 1GKEK13R7V Hi! how's everyone one this evening? Sorry for the long wait; we had numerous problems with this rig, so we didn't get it finished until today. I'm going to call this a fix, even though we haven't let the customer try it out yet. Of the 12 replies I recieved 4... |
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| 2001 GMC Jimmy SLS 4.3L brake pedal VIN: 1GKCS13W81 Installed used ABS pump/brain, fixing brake fade problem. ABS light came on briefly afterwards, but turned off on it's own. Thanks |
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| 2004 Oldsmobile Alero GL 3.4L Cuts out, Stall VIN: 1G3NL52E04 Found the problem. The P/S Pressure hose was routed next to the Ignition module from Factory. The P/S hose flexes when steering wheel is turned (normal) but the Ignition Wire harness was constantly being pulled by the flex of the P/S hose and eventually pulled... |
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